package com.hotel.services;

import com.hotel.entitys.Checkin;

public interface CheckinService {
    public int addCheckin(Checkin checkin);
    public Checkin getChechin(Integer room_id);
    public  int  getUpdate (Checkin checkin);
    public  Checkin selAllCheckin(Integer room_id);
    public Double selSum(Checkin checkin);
}
